GL_ATIX_point_sprites http://www.ati.com/developer/atiopengl.pdf GL_ATIX_point_sprites GL_TEXTURE_POINT_MODE_ATIX 0x60B0 GL_TEXTURE_POINT_ONE_COORD_ATIX 0x60B1 GL_TEXTURE_POINT_SPRITE_ATIX 0x60B2 GL_POINT_SPRITE_CULL_MODE_ATIX 0x60B3 GL_POINT_SPRITE_CULL_CENTER_ATIX 0x60B4 GL_POINT_SPRITE_CULL_CLIP_ATIX 0x60B5